Our Data Sources
124A, Heol Isaf, Cardiff has a single entry in the Land Registry from December 2020 and a single entry in the EPC database dated November 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 124A, Heol Isaf, Cardiff is in very good condition we estimate a sale value of £733,687 and a rental value of £2,439 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £649,837 and a rental value of £2,161 per month.
Plot Size
According to data from HM Land Registry, 124A, Heol Isaf, Cardiff sits on a plot of 943 m2.
We have plot size data on 22 out of 27 other houses in the postcode and 124A, Heol Isaf, Cardiff sits on the 11th largest plot.
Energy Efficiency
124A, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 124A, Heol Isaf, Cardiff was last sold on 18th December 2020 for £615,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2020, the market for similar properties has risen by 23.9%.
- Sold Dec 2020£615,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 86 sales of properties similar to 124A, Heol Isaf, Cardiff within a radius of 720 metres since 2018.
The most recent example is 33, St. Philbert Street, Cardiff, CF15 8GW, a freehold house which sold for £760,000 on the 19th August 2025.
Read more about house prices in CF15.
- Sold Aug 2025£760,000 | 5 Bed House33, St. Philbert Street, Cardiff, CF15 8GW33, St. Philbert Street, Cardiff, CF15 8GW
- Sold May 2025£715,000 | 5 Bed House28, Coedlan Radur, Cardiff, CF15 8HH28, Coedlan Radur, Cardiff, CF15 8HH
- Sold Apr 2025£714,000 | 5 Bed House26, Coedlan Radur, Cardiff, CF15 8HH26, Coedlan Radur, Cardiff, CF15 8HH
- Sold Feb 2025£617,000 | 4 Bed House6, Garth Isaf, Cardiff, CF15 8GQ6, Garth Isaf, Cardiff, CF15 8GQ
- Sold Oct 2023£699,995 | 5 Bed House14, Tair Erw, Cardiff, CF15 8HQ14, Tair Erw, Cardiff, CF15 8HQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £586,957, ranging from £395,504 to £1,160,145.
- 126 Heol Isaf
5 Bed House | 21 m | Est. Value: £1,160,145
- 47 St. John Avenue
3 Bed House | 56 m | Est. Value: £395,504
- 49 St. John Avenue
3 Bed House | 56 m | Est. Value: £395,504
- 51 St. John Avenue
3 Bed House | 57 m | Est. Value: £395,504
- 45 St. John Avenue
3 Bed House | 59 m | Est. Value: £406,685
Location Comparison
Heol Isaf, Radyr, Cardiff, CF15 has a total of 161 addresses. According to our analysis of all the public data, 124A, Heol Isaf, Cardiff is the 96th largest and the 56th most expensive property on the street.
When compared to the postcode district it is £307k more expensive than the average property in CF15.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|800 m away
- Llandaf|1.5 km away
- Danescourt|1.5 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
